With the Bass Pro Shops® AcuRite® Wireless Weather Forecast Station you'll know the weather inside and out—and be ready for whatever your day may bring. This desktop weather station has a wireless outdoor sensor that monitors temperatures, humidity, barometric pressure, and heat index. Trend arrows show if conditions are increasing or decreasing. Plus you'll get the forecast of 14 different conditions. There's even a moon phase readout, so you'll know when it's best to hunt, fish, or even take pictures. The Wireless Weather Forecast Station is powered by 3-AA batteries in the main unit and 2-AA batteries in the sensor (not included). Dimensions of main unit: 6.30"H x 3.15"W x 1.2"D. Manufacturer model #: 00828BPDI.